Observational Research Designs Have Utility and Relevance

Observational research designs are very feasible for busy clinicians. http://www.scalelive.com/observational-research-designs.html
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Generate Known-Groups Validity Evidence For Your Survey

Known-groups validity evidence is found when a survey can differentiate between independent groups. http://www.scalelive.com/known-groups-validity.html
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Experimental Research Designs Yield Causal Effects

Experimental research designs can yield causal effects. http://www.scalelive.com/experimental-research-designs.html #research #science #medicine #tutorial #education

Increase the Validity of Statistical Findings Using Bootstrap, Split-Group, or Jack-Knife Methods

Strengthen statistical findings using validation methods like bootstrap, split-group, and jack-knife. http://www.scalelive.com/validation-of-statistical-findings.html
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How is stratified randomization used in experimental research?

Use stratified randomization with an experimental research design. http://www.scalelive.com/stratified-randomization.html #research #science #tutorial

Measures for Predictor Variables in Applied Research

Predictor variables are used to test associations with outcomes. http://www.scalelive.com/predictor-variables.html #statistics #variable #science #research #tutorial #measurement

How does a Type I error occur in statistics?

What is a Type I error in statistics? http://www.scalelive.com/type-i-error.html #statistics #research #science #tutorial